EP3221292B1 - Matières pour dispositifs électroluminescents organiques - Google Patents

Matières pour dispositifs électroluminescents organiques Download PDF

Info

Publication number
EP3221292B1
EP3221292B1 EP15787897.6A EP15787897A EP3221292B1 EP 3221292 B1 EP3221292 B1 EP 3221292B1 EP 15787897 A EP15787897 A EP 15787897A EP 3221292 B1 EP3221292 B1 EP 3221292B1
Authority
EP
European Patent Office
Prior art keywords
atoms
group
substituted
radicals
identically
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15787897.6A
Other languages
German (de)
English (en)
Other versions
EP3221292A1 (fr
Inventor
Teresa Mujica-Fernaud
Elvira Montenegro
Jochen Pfister
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of EP3221292A1 publication Critical patent/EP3221292A1/fr
Application granted granted Critical
Publication of EP3221292B1 publication Critical patent/EP3221292B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/54—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/57—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
    • C07C211/61—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
    • C07C217/78—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
    • C07C217/80—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings
    • C07C217/82—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring
    • C07C217/92—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring the nitrogen atom of at least one of the amino groups being further bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56—Ring systems containing three or more rings
    • C07D209/80—[b, c]- or [b, d]-condensed
    • C07D209/82—Carbazoles; Hydrogenated carbazoles
    • C07D209/86—Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
    • C07D219/14—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hydrocarbon radicals, substituted by nitrogen atoms, attached to the ring nitrogen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/76—Dibenzothiophenes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14—Carrier transporting layers
    • H10K50/15—Hole transporting layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/17—Carrier injection layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/18—Carrier blocking layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H10K85/624—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing six or more rings
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6574—Polycyclic condensed heteroaromatic hydrocarbons comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6576—Polycyclic condensed heteroaromatic hydrocarbons comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
    • C07C2603/18—Fluorenes; Hydrogenated fluorenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/93—Spiro compounds
    • C07C2603/94—Spiro compounds containing "free" spiro atoms
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/18—Carrier blocking layers
    • H10K50/181—Electron blocking layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells

Definitions

  • the present invention relates to materials for use in electronic devices, in particular in organic electroluminescent devices, and to electronic devices comprising these materials.
  • OLEDs organic electroluminescent devices
  • organic semiconductors in which organic semiconductors are employed as functional materials is described, for example, in US 4,539,507 , US 5,151,629 , EP 0676461 and WO 98/27136 .
  • the emitting materials employed here are increasingly organometallic complexes which exhibit phosphorescence instead of fluorescence ( M. A. Baldo et al., Appl. Phys. Lett. 1999, 75, 4-6 ).
  • the hole-transport materials used in the hole-transport layer or in the hole-injection layer are, in particular, triarylamine derivatives which frequently contain at least two triarylamino groups or at least one triarylamino group and at least one carbazole group.
  • These compounds are frequently derived from diarylamino-substituted triphenyl-amines (TPA type), from diarylamino-substituted biphenyl derivatives (TAD type) or combinations of these base compounds.
  • TPA type diarylamino-substituted triphenyl-amines
  • TAD type diarylamino-substituted biphenyl derivatives
  • Use is also frequently made of spirobifluorene derivatives which are for example substituted by diarylamino groups (for example in accordance with EP 676461 or US 7,714,145 ).
  • WO2014/171779 discloses electroluminescent compounds and OLED devices using them.
  • the object of the present invention is to provide compounds which are suitable for use in a fluorescent or phosphorescent OLED, in particular a phosphorescent OLED, for example as hole-transport material in a hole-transport or exciton-blocking layer or as matrix material in an emitting layer.
  • the present invention therefore relates to a compound of the following formula (1): where the following applies to the symbols and indices used:
  • aryl group in the sense of this invention is taken to mean either a simple aromatic ring, i.e. benzene, or a condensed (anellated) aryl group, for example naphthalene or phenanthrene.
  • aromatic groups linked to one another by a single bond such as, for example, biphenyl or fluorene, are not referred to as an aryl group, but instead as an aromatic ring system.
  • a heteroaryl group in the sense of the present invention comprises at least one heteroatom in the aromatic ring, preferably a heteroatom selected from N, O and S.
  • a heteroaryl group may comprise only a simple heteroaromatic ring, such as e. g. pyridine, triazine, or thiophene, or it may be a condensed (annelated) heteroaryl group, such as quinoline or carbazole.
  • An aromatic ring system in the sense of this invention contains 6 to 60 C atoms in the ring system, where the aromatic ring system may be built up e.g. from benzene, naphthalene, phenanthrene, fluorene and spirobifluorene or combinations of these groups.
  • An aromatic ring system in the sense of this invention is, in particular, also intended to be taken to mean a system in which, in addition, a plurality of aryl groups is linked to one another directly or via a carbon atom.
  • systems such as biphenyl, terphenyl, quaterphenyl, fluorene, 9,9'-spirobifluorene, 9,9-diarylfluorene, etc., in particular, are also intended to be taken to be aromatic ring systems in the sense of this invention.
  • the aromatic ring system here by definition contains no amino groups. Triarylamino groups are thus not covered by the definition of an aromatic ring system.
  • heteroaromatic ring system which is to be understood to be a combination of two or more interconnected aryl or heteroaryl groups, at least one of them being a heteroaryl group.
  • An aralkyl group is to be understood to be an alkyl group which is substituted by an aryl group, where the aryl group is defined as above, and the alkyl group may have 1 to 20 C atoms, and may be substituted as defined above for alkyl groups, and may have one or more CH 2 groups replaced as defined above for alkyl groups.
  • the alkyl group is the group which bonds to the rest of the compound.
  • An analogous definition applies to the term heteroaralkyl group, only that a heteroaryl group is present instead of an aryl group.
  • aryloxy group is to be understood to be an aryl group bonded via a divalent (ether) oxygen atom.
  • An analogous definition applies to the term heteroaryloxy group, only that a heteroaryl group is present instead of an aryl group.
  • an aliphatic hydrocarbon radical or an alkyl group or an alkenyl or alkynyl group which may typically contain 1 to 40 or also 1 to 20 C atoms and in which, in addition, individual H atoms or CH 2 groups may be substituted by the above-mentioned groups, is preferably taken to mean the radicals methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, 2-methylbutyl, n-pentyl, s-pentyl, neopentyl, cyclopentyl, n-hexyl, neohexyl, cyclohexyl, n-heptyl, cycloheptyl, n-octyl, cyclooctyl, 2-ethylhexyl, trifluoromethyl, pen
  • An alkoxy group having 1 to 40 C atoms is preferably taken to mean methoxy, trifluoromethoxy, ethoxy, n-propoxy, i-propoxy, n-butoxy, i-butoxy, s-butoxy, t-butoxy, n-pentoxy, s-pentoxy, 2-methylbutoxy, n-hexoxy, cyclohexyloxy, n-heptoxy, cycloheptyloxy, n-octyloxy, cyclooctyloxy, 2-ethylhexyloxy, pentafluoroethoxy or 2,2,2-trifluoroethoxy.
  • a thioalkyl group having 1 to 40 C atoms is taken to mean, in particular, methylthio, ethylthio, n-propylthio, i-propylthio, n-butylthio, i-butylthio, s-butylthio, t-butylthio, n-pentylthio, s-pentylthio, n-hexylthio, cyclohexylthio, n-heptylthio, cycloheptylthio, n-octylthio, cyclooctylthio, 2-ethylhexylthio, trifluoromethylthio, pentafluoroethylthio, 2,2,2-trifluoroethylthio, ethenylthio, propenylthio, butenylthio, pentenylthio, cyclopenten
  • alkyl, alkoxy or thioalkyl groups in accordance with the present invention can be straight-chain, branched or cyclic, where one or more non-adjacent CH 2 groups may be replaced by the above-mentioned groups; furthermore, one or more H atoms may also be replaced by D, F, Cl, Br, I, CN or NO 2 , preferably F, Cl or CN, further preferably F or CN, particularly preferably CN.
  • the two amino groups on the diaminophenyl group are located in meta-position to each other. Particularly preferably, they are located in meta-position to each other and to the bond to the spirobifluorene.
  • p + q 0 or 1.
  • the compound of the formula (1) is selected from the compounds of the following formulae (2) to (9), where the symbols and indices used have the meanings given above.
  • the compounds of the formulae (2) to (9) are selected from the compounds of the following formulae (2a) to (9a), where the symbols and indices used have the meanings given above.
  • the compound according to the invention contains only one diaminobenzene group.
  • This thus preferably relates to compounds of the formulae (2), (3), (4) and (5) or (2a), (3a), (4a) and (5a) or (2b), (3b), (4b) and (5b), or (2c), (3c), (4c) and (5c).
  • the diaminobenzene groups are bonded in the 2-position or in the 4-position of the spirobifluorene. This thus preferably relates to the compounds of the formulae (2) and (3) or (2a) and (3a) or (2b) and (3b).
  • At least one of the groups Ar 1 and Ar 2 is selected, identically or differently, on each occurrence, from phenyl, fluorenyl, spirobifluorenyl, biphenyl, terphenyl, quaterphenyl, carbazoyl, dibenzofuranyl and dibenzothiophenyl, each of which may be substituted by one or more radicals R 5 .
  • the groups Ar 1 and Ar 2 here are preferably selected, identically or differently on each occurrence, from the group consisting of phenyl, fluorenyl, spirobifluorenyl, biphenyl, terphenyl, quaterphenyl, carbazoyl, dibenzofuranyl and dibenzothiophenyl, each of which may be substituted by one or more radicals R 5 .
  • the groups Ar 1 and Ar 2 here are very preferably selected, identically or differently on each occurrence, from the groups of the following formulae (10) to (66), where the dashed bond indicates the bond to the nitrogen, and the groups may be substituted by one or more radicals R 5 , but are preferably unsubstituted.
  • R 5 in the groups of the formulae (20) to (23), (53) and (54) preferably stands, identically or differently, for an alkyl group having 1 to 10 C atoms, in particular for methyl, or a phenyl group, which may be substituted by one or more radicals R 6 .
  • Preferred groups Ar 1 and Ar 2 are selected, identically or differently on each occurrence, from the group consisting of the above-mentioned formulae (10), (11), (12), (13), (20), (21), (22), (23), (32), (33), (34), (35), (36), (37), (38), (39), (40), (41), (42), (43), (44), (45), (46), (47), (48), (49), (50) and (51). All possible combinations of these groups are equally possible here.
  • Ar 1 and Ar 2 are selected, identically or differently on each occurrence, from the group consisting of the above-mentioned formulae (10), (11), (13), (20), (36), (37), (38), (41), (46) and (51).
  • R 5 in the groups of the formulae (28) to (31) and (40) to (43) and (55) to (58) and (63) to (66) preferably stands for a phenyl group, an ortho-biphenyl group, a meta-biphenyl group, a para-biphenyl group, a terphenyl group, a 1-naphthyl group, or a 2-naphthyl group which may be substituted by one or more radicals R 6 .
  • Ar 1 and Ar 2 are selected, identically or differently on each occurrence, from the groups of the formulae (10), (13) and (20), which may be substituted by one or more radicals R 5 .
  • At least one of the groups Ar 1 and Ar 2 is particularly preferably a group of the formula (10), (13) or (20).
  • the two groups Ar 1 and Ar 2 of the above-mentioned formulae (11) to (66) which are bonded to the nitrogen may be combined with one another as desired.
  • the groups Ar 1 and Ar 2 are selected differently from one another.
  • the groups Ar 1 and Ar 2 are selected identically.
  • the group -NAr 1 Ar 2 preferably has the structure of one of the following formulae (67) to (74), where the symbols used have the meanings given above, and the dashed bond indicates the bond to the spirobifluorene.
  • These groups may also be substituted by one or more radicals R 5 , but are preferably unsubstituted.
  • R 5 in the group of the formula (68) and (72) preferably stands, identically or differently, for an alkyl group having 1 to 10 C atoms, in particular for methyl, or a phenyl group, which may be substituted by one or more radicals R 6 .
  • R 5 in the group of the formula (71) and (73) preferably stands for a phenyl group, which may be substituted by one or more radicals R 6 .
  • R 1 to R 4 are selected, identically or differently on each occurrence, from the group consisting of F, CN, a straight-chain alkyl or alkoxy group having 1 to 10 C atoms or a branched or cyclic alkyl or alkoxy group having 3 to 10 C atoms, each of which may be substituted by one or more radicals R 6 , where one or more non-adjacent CH 2 groups may be replaced by O and where one or more H atoms may be replaced by F, and an aromatic or heteroaromatic ring system having 5 to 24 aromatic ring atoms, which may in each case be substituted by one or more radicals R 6 .
  • R 1 to R 4 are selected on each occurrence, identically or differently, from the group consisting of F, a straight-chain alkyl group having 1 to 5 C atoms, a branched or cyclic alkyl group having 3 to 6 C atoms, or an aromatic or heteroaromatic ring system having 5 to 18 aromatic ring atoms, which may in each case be substituted by one or more radicals R 6 .
  • R 1 to R 4 are selected, identically or differently, from F, N(R 6 ) 2 , phenyl, methyl and tert-butyl.
  • R is selected, identically or differently on each occurrence, from the group consisting of F, CN, a straight-chain alkyl or alkoxy group having 1 to 10 C atoms or a branched or cyclic alkyl or alkoxy group having 3 to 10 C atoms, each of which may be substituted by one or more radicals R 6 , where one or more non-adjacent CH 2 groups may be replaced by O and where one or more H atoms may be replaced by F, and an aromatic or heteroaromatic ring system having 5 to 24 aromatic ring atoms, which may in each case be substituted by one or more radicals R 6 .
  • R is selected on each occurrence, identically or differently, from the group consisting of F, a straight-chain alkyl group having 1 to 5 C atoms, a branched or cyclic alkyl group having 3 to 6 C atoms, or an aromatic or heteroaromatic ring system having 5 to 18 aromatic ring atoms, which may in each case be substituted by one or more radicals R 6 .
  • R is selected from F, phenyl, methyl and tert-butyl.
  • the radical R 5 which is bonded to Ar 1 or Ar 2 is selected, identically or differently on each occurrence, from the group consisting of H, F, CN, a straight-chain alkyl group having 1 to 10 C atoms, a branched or cyclic alkyl group having 3 to 10 C atoms or an aromatic or heteroaromatic ring system having 5 to 24 aromatic ring atoms, each of which may be substituted by one or more radicals R 6 .
  • the radical R 5 which is bonded to Ar 1 or Ar 2 is selected, identically or differently on each occurrence, from the group consisting of H, a straight-chain alkyl group having 1 to 5 C atoms, a branched or cyclic alkyl group having 3 to 6 C atoms or an aromatic or heteroaromatic ring system having 5 to 24 aromatic ring atoms, each of which may be substituted by one or more radicals R 6 .
  • the radicals R 1 to R 6 here preferably contain no condensed aryl or heteroaryl groups in which more than two aromatic or heteroaromatic six-membered rings are condensed directly onto one another, i.e., for example, no anthracene or pyrene groups.
  • the radicals R 1 to R 6 particularly preferably contain absolutely no condensed aryl or heteroaryl groups in which aromatic or heteroaromatic six-membered rings are condensed directly onto one another, i.e. also, for example, no naphthalene groups.
  • the two substituents R 5 in formula (68) and (72) may form a ring system with one another and thus form a spiro system, for example a cycloalkyl ring, preferably having 3 to 8 C atoms, particularly preferably having 5 or 6 C atoms.
  • the alkyl groups preferably have not more than four C atoms, particularly preferably not more than 1 C atom.
  • suitable compounds are also those which are substituted by linear, branched or cyclic alkyl groups having up to 10 C atoms or which are substituted by oligoarylene groups, for example ortho-, meta-, para- or branched terphenyl or quaterphenyl groups.
  • R 1 to R 4 is selected, identically or differently, from H, F, N(R 6 ) 2 , phenyl, methyl and tert-butyl.
  • t 0.
  • the compounds according to the invention can be prepared by synthetic steps known to the person skilled in the art, such as, for example, halogenation, Hartwig-Buchwald coupling and Suzuki coupling.
  • a halogenated diaminobenzene group is synthesized from a corresponding trihalogenated benzene group (compound A) by introduction of two diarylamino groups, as shown in scheme 1a.
  • the diarylamino groups can be successively introduced using compound B 1 and B 2 in order to obtain a halogenated diaminobenzene compound with two different diarylamino-groups, as shown in Scheme 1b.
  • the spirobifluorene group is introduced by a C-C Suzuki coupling reaction between a boronic ester derivative C and the halogenated diaminobenzene.
  • the compounds according to the invention described above in particular compounds which are substituted by reactive leaving groups, such as bromine, iodine, triflate, boronic acid or boronic acid ester, can be used as monomers for the preparation of corresponding oligomers, dendrimers or polymers.
  • the oligomerisation or polymerisation here is preferably carried out via the halogen functionality or the boronic acid functionality.
  • the invention therefore furthermore relates to oligomers, polymers or dendrimers comprising one or more compounds of the formula (1), where the bond(s) to the polymer, oligomer or dendrimer may be localised at any desired positions in formula (1) substituted by R 1 to R 5 .
  • the compound is part of a side chain of the oligomer or polymer or part of the main chain.
  • An oligomer in the sense of this invention is taken to mean a compound which is built up from at least three monomer units.
  • a polymer in the sense of the invention is taken to mean a compound which is built up from at least ten monomer units.
  • the polymers, oligomers or dendrimers according to the invention may be conjugated, partially conjugated or non-conjugated.
  • the oligomers or polymers according to the invention may be linear, branched or dendritic.
  • the units of the formula (1) may be linked directly to one another or linked to one another via a divalent group, for example via a substituted or unsubstituted alkylene group, via a heteroatom or via a divalent aromatic or heteroaromatic group.
  • three or more units of the formula (1) may, for example, be linked via a trivalent or polyvalent group, for example via a trivalent or polyvalent aromatic or heteroaromatic group, to give a branched or dendritic oligomer or polymer.
  • a trivalent or polyvalent group for example via a trivalent or polyvalent aromatic or heteroaromatic group
  • the same preferences as described above for compounds of the formula (1) apply to the recurring units of the formula (1) in oligomers, dendrimers and polymers.
  • the monomers according to the invention are homopolymerised or copolymerised with further monomers.
  • Suitable and preferred comonomers are selected from fluorenes (for example in accordance with EP 842208 or WO 00/22026 ), spirobifluorenes (for example in accordance with EP 707020 , EP 894107 or WO 06/061181 ), para-phenylenes (for example in accordance with WO 92/18552 ), carbazoles (for example in accordance with WO 04/070772 or WO 04/113468 ), thiophenes (for example in accordance with EP 1028136 ), dihydrophenanthrenes (for example in accordance with WO 05/014689 or WO 07/006383 ), cis- and trans-indenofluorenes (for example in accordance with WO 04/041901 or WO 04/113412 ), ketones (for example in accordance with WO 04/041901 or
  • the polymers, oligomers and dendrimers usually also contain further units, for example emitting (fluorescent or phosphorescent) units, such as, for example, vinyltriarylamines (for example in accordance with WO 07/068325 ) or phosphorescent metal complexes (for example in accordance with WO 06/003000 ), and/or charge-transport units, in particular those based on triarylamines.
  • emitting fluorescent or phosphorescent
  • vinyltriarylamines for example in accordance with WO 07/068325
  • phosphorescent metal complexes for example in accordance with WO 06/003000
  • charge-transport units in particular those based on triarylamines.
  • the polymers, oligomers and dendrimers according to the invention have advantageous properties, in particular long lifetimes, high efficiencies and good colour coordinates.
  • the polymers and oligomers according to the invention are generally prepared by polymerisation of one or more types of monomer, at least one monomer of which results in recurring units of the formula (1) in the polymer.
  • Suitable polymerisation reactions are known to the person skilled in the art and are described in the literature.
  • Particularly suitable and preferred polymerisation reactions which result in C-C or C-N links are the following:
  • the present invention thus also relates to a process for the preparation of the polymers, oligomers and dendrimers according to the invention, which is characterised in that they are prepared by SUZUKI polymerisation, YAMAMOTO polymerisation, STILLE polymerisation or HARTWIG-BUCHWALD polymerisation.
  • the dendrimers according to the invention can be prepared by processes known to the person skilled in the art or analogously thereto. Suitable processes are described in the literature, such as, for example, in Frechet, Jean M.
  • the compounds according to the invention are suitable for use in an electronic device.
  • An electronic device here is taken to mean a device which comprises at least one layer which comprises at least one organic compound.
  • the component here may also comprise inorganic materials or also layers built up entirely from inorganic materials.
  • the present invention therefore furthermore relates to the use of the compounds according to the invention in an electronic device, in particular in an organic electroluminescent device.
  • the present invention still furthermore relates to an electronic device comprising at least one compound according to the invention.
  • the preferences stated above likewise apply to the electronic devices.
  • the electronic device is preferably selected from the group consisting of organic electroluminescent devices (organic light-emitting diodes, OLEDs), organic integrated circuits (O-ICs), organic field-effect transistors (O-FETs), organic thin-film transistors (O-TFTs), organic light-emitting transistors (O-LETs), organic solar cells (O-SCs), organic dye-sensitised solar cells (ODSSCs), organic optical detectors, organic photoreceptors, organic field-quench devices (O-FQDs), light-emitting electrochemical cells (LECs), organic laser diodes (O-lasers) and organic plasmon emitting devices ( D. M. Koller et a/., Nature Photonics 2008, 1-4 ), but preferably organic electroluminescent devices (OLEDs), particularly preferably phosphorescent OLEDs.
  • OLEDs organic light-emitting diodes
  • OLEDs organic integrated circuits
  • O-FETs organic field-effect transistor
  • the organic electroluminescent devices and the light-emitting electrochemical cells can be employed for various applications, for example for monochromatic or polychromatic displays, for lighting applications or for medical and/or cosmetic applications, for example in phototherapy.
  • the organic electroluminescent device comprises a cathode, an anode and at least one emitting layer. Apart from these layers, it may also comprise further layers, for example in each case one or more hole-injection layers, hole-transport layers, hole-blocking layers, electron-transport layers, electron-injection layers, exciton-blocking layers, electron-blocking layers and/or charge-generation layers. Interlayers, which have, for example, an exciton-blocking function, may likewise be introduced between two emitting layers. However, it should be pointed out that each of these layers does not necessarily have to be present.
  • the organic electroluminescent device here may comprise one emitting layer or a plurality of emitting layers. If a plurality of emission layers is present, these preferably have in total a plurality of emission maxima between 380 nm and 750 nm, resulting overall in white emission, i.e. various emitting compounds which are able to fluoresce or phosphoresce are used in the emitting layers. Particular preference is given to systems having three emitting layers, where the three layers exhibit blue, green and orange or red emission (for the basic structure see, for example, WO 2005/011013 ). It is possible here for all emitting layers to be fluorescent or for all emitting layers to be phosphorescent or for one or more emitting layers to be fluorescent and one or more other layers to be phosphorescent.
  • the compound according to the invention in accordance with the embodiments indicated above can be employed here in different layers, depending on the precise structure.
  • Preference is given to an organic electroluminescent device comprising a compound of the formula (1) or the preferred embodiments as hole-transport material in a hole-transport or hole-injection or exciton-blocking or electron-blocking layer or as matrix material for fluorescent or phosphorescent emitters in an emitting layer, in particular for phosphorescent emitters.
  • the preferred embodiments indicated above also apply to the use of the materials in organic electronic devices.
  • the compound of the formula (1) or the preferred embodiments is employed as hole-transport or hole-injection material in a hole-transport or hole-injection layer.
  • the emitting layer here can be fluorescent or phosphorescent.
  • a hole-injection layer in the sense of the present invention is a layer which is directly adjacent to the anode.
  • a hole-transport layer in the sense of the present invention is a layer which is located between a hole-injection layer and an emitting layer.
  • the compound of the formula (1) or the preferred embodiments is employed in an exciton-blocking layer.
  • An exciton-blocking layer is taken to mean a layer which is directly adjacent to an emitting layer on the anode side.
  • the compound of the formula (1) or the preferred embodiments is particularly preferably employed in a hole-transport or exciton-blocking layer.
  • the compound of the formula (1) or the preferred embodiments is used in a hole-transport or -injection layer in combination with a layer which comprises a hexaazatriphenylene derivative, in particular hexacyanohexaazatriphenylene (for example in accordance with EP 1175470 ).
  • a layer which comprises a hexaazatriphenylene derivative in particular hexacyanohexaazatriphenylene (for example in accordance with EP 1175470 ).
  • a combination which looks as follows: anode - hexaazatriphenylene derivative - hole-transport layer, where the hole-transport layer comprises one or more compounds of the formula (1) or the preferred embodiments.
  • a further preferred combination looks as follows: anode - hole-transport layer - hexaazatriphenylene derivative - hole-transport layer, where at least one of the two hole-transport layers comprises one or more compounds of the formula (1) or the preferred embodiments. It is likewise possible in this structure to use a plurality of successive hole-transport layers instead of one hole-transport layer, where at least one hole-transport layer comprises at least one compound of the formula (1) or the preferred embodiments.
  • the compound according to formula (1) is employed as a hole transporting material in a hole transporting layer, a hole injection layer, an exciton blocking layer or an electron blocking layer
  • the compound may be used as a pure material, i.e. in a proportion of 100 % in the layer, or it may be used in combination with one or more other materials.
  • the one or other compound which is used in combination with the compound according to formula (1) is a p-dopant.
  • Preferred p-dopants to be used are electron acceptor compounds, preferably such electron acceptor compounds which can oxidize one or more of the other compounds of the mixture.
  • the p-dopant is preferably present in a concentration of 0.1 to 20 Vol-%, preferably 0.5 to 12 Vol-%, more preferably 1 to 8 Vol-% and most preferably 2 to 6 Vol-% in the layer comprising the compound according to the invention.
  • Particularly preferred p-dopants to be used in combination with the compounds according to the invention are the compounds disclosed in one or more of the following documents: WO 2011/073149 , EP 1968131 , EP 2276085 , EP 2213662 , EP 1722602 , EP 2045848 , DE 102007031220 , US 8044390 , US 8057712 , WO 2009/003455 , WO 2010/094378 , WO 2011/120709 , US 2010/0096600 and WO 2012/095143 .
  • Highly preferred p-dopants to be used in the devices according to the invention are quinodimethanes, azaindenofluorendiones, azaphenalenes, azatriphenylenes, I2, metal halogenides, preferably transition metal halogenides, metal oxides, preferably transition metal oxides or metal oxides comprising at least one metal of the third main group, and transition metal complexes, preferably complexes of Cu, Co, Ni, Pd or Pt with ligands having at least one binding oxygen atom.
  • Preferred are furthermore transition metal oxides such as rhenium oxides, molybdenum oxides and tungsten oxides, more preferably Re 2 O 7 , MoO 3 , WO 3 and ReO 3 .
  • Preferred p-dopants are furthermore the following compounds:
  • the compound of the formula (1) or the preferred embodiments is employed as matrix material for a fluorescent or phosphorescent compound, in particular for a phosphorescent compound, in an emitting layer.
  • the organic electroluminescent device here may comprise one emitting layer or a plurality of emitting layers, where at least one emitting layer comprises at least one compound according to the invention as matrix material.
  • the compound of the formula (1) or the preferred embodiments is employed as matrix material for an emitting compound in an emitting layer, it is preferably employed in combination with one or more phosphorescent materials (triplet emitters).
  • Phosphorescence in the sense of this invention is taken to mean the luminescence from an excited state having a spin multiplicity > 1, in particular from an excited triplet state.
  • all luminescent complexes containing transition metals or lanthanoids, in particular all luminescent iridium, platinum and copper complexes are to be regarded as phosphorescent compounds.
  • the mixture comprising the compound of the formula (1) or the preferred embodiments and the emitting compound comprises between 99.9 and 1% by weight, preferably between 99 and 10% by weight, particularly preferably between 97 and 60% by weight, in particular between 95 and 80% by weight, of the compound of the formula (1) or the preferred embodiments, based on the entire mixture comprising emitter and matrix material.
  • the mixture comprises between 0.1 and 99% by weight, preferably between 1 and 90% by weight, particularly preferably between 3 and 40% by weight, in particular between 5 and 20% by weight, of the emitter, based on the entire mixture comprising emitter and matrix material.
  • the limits indicated above apply, in particular, if the layer is applied from solution. If the layer is applied by vacuum evaporation, the same numerical values apply, with the percentage in this case being indicated in % by vol. in each case.
  • a particularly preferred embodiment of the present invention is the use of the compound of the formula (1) or the preferred embodiments as matrix material for a phosphorescent emitter in combination with a further matrix material.
  • Particularly suitable matrix materials which can be employed in combination with the compounds of the formula (1) or the preferred embodiments are aromatic ketones, aromatic phosphine oxides or aromatic sulfoxides or sulfones, for example in accordance with WO 2004/013080 , WO 2004/093207 , WO 2006/005627 or WO 2010/006680 , triarylamines, carbazole derivatives, for example CBP (N,N-biscarbazolylbiphenyl), m-CBP or the carbazole derivatives disclosed in WO 2005/039246 , US 2005/0069729 , JP 2004/288381 , EP 1205527 or WO 2008/086851 , indolocarbazole derivatives, for example in accordance with WO 2007/063754 or WO 2008/
  • the emitter which emits at shorter wavelength acts as co-host in the mixture.
  • Suitable phosphorescent compounds are, in particular, compounds which emit light, preferably in the visible region, on suitable excitation and in addition contain at least one atom having an atomic number greater than 20, preferably greater than 38 and less than 84, particularly preferably greater than 56 and less than 80, in particular a metal having this atomic number.
  • the phosphorescent emitters used are preferably compounds which contain copper, molybdenum, tungsten, rhenium, ruthenium, osmium, rhodium, iridium, palladium, platinum, silver, gold or europium, in particular compounds which contain iridium, platinum or copper.
  • Examples of the emitters described above are revealed by the applications WO 2000/70655 , WO 2001/41512 , WO 2002/02714 , WO 2002/15645 , EP 1191613 , EP 1191612 , EP 1191614 , WO 2005/033244 , WO 2005/019373 , US 2005/0258742 , WO 2009/146770 , WO 2010/015307 , WO 2010/031485 , WO 2010/054731 , WO 2010/054728 , WO 2010/086089 , WO 2010/099852 , WO 2010/102709 , WO 2011/157339 or WO 2012/007086 .
  • triplet emitters Examples of triplet emitters to be used in the devices according to the present application are shown in the following table.
  • the organic electroluminescent device according to the invention does not comprise a separate hole-injection layer and/or hole-transport layer and/or hole-blocking layer and/or electron-transport layer, i.e. the emitting layer is directly adjacent to the hole-injection layer or the anode, and/or the emitting layer is directly adjacent to the electron-transport layer or the electron-injection layer or the cathode, as described, for example, in WO 2005/053051 . It is furthermore possible to use a metal complex which is identical or similar to the metal complex in the emitting layer as hole-transport or hole-injection material directly adjacent to the emitting layer, as described, for example, in WO 2009/030981 .
  • Preferred fluorescent emitter materials are selected from the class of the arylamines.
  • An arylamine or aromatic amine in the sense of this invention is taken to mean a compound which contains three substituted or unsubstituted aromatic or heteroaromatic ring systems bonded directly to the nitrogen. At least one of these aromatic or heteroaromatic ring systems is preferably a condensed ring system, particularly preferably having at least 14 aromatic ring atoms.
  • Preferred examples thereof are aromatic anthracenamines, aromatic anthracenediamines, aromatic pyrenamines, aromatic pyrenediamines, aromatic chrysenamines or aromatic chrysenediamines.
  • An aromatic anthracenamine is taken to mean a compound in which one diarylamino group is bonded directly to an anthracene group, preferably in the 9-position.
  • An aromatic anthracenediamine is taken to mean a compound in which two diarylamino groups are bonded directly to an anthracene group, preferably in the 9,10-position.
  • Aromatic pyrenamines, pyrenediamines, chrysenamines and chrysenediamines are defined analogously thereto, where the diarylamino groups are preferably bonded to the pyrene in the 1-position or in the 1,6-position.
  • emitter materials are selected from indenofluorenamines or indenofluorenediamines, for example in accordance with WO 06/122630 , benzoindenofluorenamines or benzoindenofluorenediamines, for example in accordance with WO 08/006449 , and dibenzoindenofluorenamines or dibenzoindenofluorenediamines, for example in accordance with WO 07/140847 .
  • emitter materials from the class of the styrylamines are substituted or unsubstituted tristilbenamines or the emitter materials described in WO 06/000388 , WO 06/058737 , WO 06/000389 , WO 07/065549 and WO 07/115610 . Preference is furthermore given to the condensed hydrocarbons disclosed in the application WO 10/012328 .
  • Matrix materials which can be used, preferably for fluorescent dopants are materials from various classes of substance.
  • Preferred matrix materials are selected from the classes of the oligoarylenes (for example 2,2',7,7'-tetraphenylspirobifluorene in accordance with EP 676461 or dinaphthylanthracene), in particular the oligoarylenes containing condensed aromatic groups, the oligoarylenevinylenes (for example DPVBi or spiro-DPVBi in accordance with EP 676461 ), the polypodal metal complexes (for example in accordance with WO 04/081017 ), the hole-conducting compounds (for example in accordance with WO 04/058911 ), the electron-conducting compounds, in particular ketones, phosphine oxides, sulfoxides, etc.
  • the oligoarylenes for example 2,2',7,7'-tetraphenylspirobifluorene in
  • Suitable matrix materials are furthermore preferably the compounds according to the invention.
  • particularly preferred matrix materials are selected from the classes of the oligoarylenes, comprising naphthalene, anthracene, benzanthracene and/or pyrene or atropisomers of these compounds, the oligoarylenevinylenes, the ketones, the phosphine oxides and the sulfoxides.
  • Very particularly preferred matrix materials are selected from the classes of the oligoarylenes, comprising anthracene, benzanthracene, benzophenanthrene and/or pyrene or atropisomers of these compounds.
  • An oligoarylene in the sense of this invention is intended to be taken to mean a compound in which at least three aryl or arylene groups are bonded to one another.
  • suitable charge-transport materials are, for example, the compounds disclosed in Y. Shirota et al., Chem. Rev. 2007, 107(4), 953-1010 , or other materials as are employed in these layers in accordance with the prior art.
  • an organic electroluminescent device characterised in that one or more layers are applied by means of a sublimation process, in which the materials are vapour-deposited in vacuum sublimation units at an initial pressure of usually less than 10 -5 mbar, preferably less than 10 -6 mbar.
  • the initial pressure it is also possible for the initial pressure to be even lower, for example less than 10 -7 mbar.
  • an organic electroluminescent device characterised in that one or more layers are applied by means of the OVPD (organic vapour phase deposition) process or with the aid of carrier-gas sublimation, in which the materials are applied at a pressure between 10 -5 mbar and 1 bar.
  • OVPD organic vapour phase deposition
  • carrier-gas sublimation in which the materials are applied at a pressure between 10 -5 mbar and 1 bar.
  • OVJP organic vapour jet printing
  • an organic electroluminescent device characterised in that one or more layers are produced from solution, such as, for example, by spin coating, or by means of any desired printing process, such as, for example, LITI (light induced thermal imaging, thermal transfer printing), ink-jet printing, screen printing, flexographic printing, offset printing or nozzle printing.
  • LITI light induced thermal imaging, thermal transfer printing
  • Soluble compounds which are obtained, for example, by suitable substitution, are necessary for this purpose. These processes are also particularly suitable for the compounds according to the invention, since these generally have very good solubility in organic solvents.
  • hybrid processes in which, for example, one or more layers are applied from solution and one or more further layers are applied by vapour deposition.
  • the emitting layer can be applied from solution and the electron-transport layer by vapour deposition.
  • formulations of the compounds according to the invention are necessary. These formulations can be, for example, solutions, dispersions or emulsions. It may be preferred to use mixtures of two or more solvents for this purpose.
  • Suitable and preferred solvents are, for example, toluene, anisole, o-, m- or p-xylene, methyl benzoate, mesitylene, tetralin, veratrol, THF, methyl-THF, THP, chlorobenzene, dioxane, phenoxytoluene, in particular 3-phenoxytoluene, (-)-fenchone, 1,2,3,5-tetramethylbenzene, 1,2,4,5-tetramethylbenzene, 1-methylnaphthalene, 2-methylbenzothiazole, 2-phenoxyethanol, 2-pyrrolidinone, 3-methylanisole, 4-methylanisole, 3,4-dimethylanisole, 3,5-dimethylanisole, acetophenone, ⁇ -terpineol, benzothiazole, butyl benzoate, cumene, cyclohexanol, cyclohexanone, cyclohexylbenzene, decalin, do
  • the invention therefore furthermore relates to a formulation, in particular a solution, dispersion or emulsion, comprising at least one compound of the formula (I) or at least one polymer, oligomer or dendrimer containing at least one unit of the formula (I), and at least one solvent, preferably an organic solvent.
  • a formulation in particular a solution, dispersion or emulsion, comprising at least one compound of the formula (I) or at least one polymer, oligomer or dendrimer containing at least one unit of the formula (I), and at least one solvent, preferably an organic solvent.
  • the present invention furthermore relates to mixtures comprising at least one compound of the formula (1) or the preferred embodiments indicated above and at least one further compound.
  • the further compound can be, for example, a fluorescent or phosphorescent dopant if the compound according to the invention is used as matrix material.
  • the mixture may then also additionally comprise a further material as additional matrix material.
  • the following syntheses are carried out under a protective-gas atmosphere, unless indicated otherwise.
  • the starting materials can be purchased from ALDRICH or ABCR.
  • the numbers in square brackets in the case of the starting materials known from the literature are the corresponding CAS numbers.
  • Tri- tert -butylphosphine (11.1 mL of a 1.0 M solution in toluene, 11.1 mmol), palladium acetate (1.25 g, 5.55 mmol) and cesium carbonate (75.0 g, 232 mmol) are added to a solution of bis-biphenyl-4-yl-amine ( CAS Nr. 102113-98-4 ) (59.0 g, 185 mmol) and 1,3-Dibromo-5-chloro-benzene (25 g, 92 mol) in degassed toluene (600 ml), and the mixture is heated under reflux for 2 h.
  • bis-biphenyl-4-yl-amine CAS Nr. 102113-98-4
  • 1,3-Dibromo-5-chloro-benzene 25 g, 92 mol
  • reaction mixture is cooled to room temperature, extended with toluene and filtered through Celite.
  • the filtrate is evaporated in vacuo, and the residue is crystallised from heptane/toluene. Yield: 67.7g, 75%.
  • OLEDs according to the invention and OLEDs in accordance with the prior art are produced by a general process in accordance with WO2004/058911 , which is adapted to the circumstances described here (layer-thickness variation, materials).
  • the substrates used are glass plates coated with structured ITO (indium tin oxide) in a thickness of 50 nm.
  • the OLEDs basically have the following layer structure: substrate / hole-injection layer (HIL) / hole-transport layer (HTL) / electron-blocking layer (EBL) / emission layer (EML) / electron-transport layer (ETL) / electron-injection layer (EIL) and finally a cathode.
  • the cathode is formed by an aluminium layer with a thickness of 100 nm.
  • the precise structure of the OLEDs is pointed out at each experiment described below. The structures of the materials used for the production of the OLEDs are shown in Table 1.
  • the emission layer always consists of at least one matrix material (host material) and an emitting dopant (emitter), which is admixed with the matrix material or matrix materials in a certain proportion by volume by co-evaporation.
  • An expression such as H1:SEB(5%) means that material H1 is present in the layer in a proportion by volume of 95% and SEB is present in the layer in a proportion of 5%.
  • a layer composition, where only the percentage of the second material is given adds up to 100% with the percentage of the first material.
  • the electron-transport layer may also consist of a mixture of two materials.
  • the OLEDs are characterised by standard methods.
  • the external quantum efficiency EQE, measured in percent
  • EQE @ 10mA/cm 2 denotes the external quantum efficiency at an operating luminous density of 10mA/cm 2 .
  • LT80 @ 60mA/cm 2 is defined as the time until the luminance of the OLED device drops to 80% of its initial luminous intensity at a constant driving current density of 60mA/cm 2 .
  • compounds according to the invention are suitable as HIL, HTL or EBL in OLEDs. They are suitable as a single layer, but also as mixed component as HIL, HTL, EBL or within the EML.
  • the samples comprising the compounds according to the invention exhibit both high efficiency (Table 2 and 3) and also high lifetime (Table 3).
  • Table 1 Structures of the materials used F4TCNQ HIM H1 SEB ETM LiQ HTM HTM1 HTM2 HTM3 HTM4
  • All devices exhibit an operating voltage of 3.9V-4.0V at a driving current density of 10mA/cm 2 .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Furan Compounds (AREA)
  • Indole Compounds (AREA)

Claims (18)

  1. Composé de la formule (1) qui suit :
    Figure imgb0328
     dans laquelle ce qui suit s'applique aux symboles et aux indices qui sont utilisés :
    Ar1, Ar2 sont pour chaque occurrence, de manière identique ou différente, un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 60 atomes de cycle aromatique C, lequel peut dans chaque cas être également substitué par un radical ou par plusieurs radicaux R5, Ar1 et Ar2 peuvent également ici être connectés l'un à l'autre au moyen d'un groupe E ;
    E est pour chaque occurrence, de manière identique ou différente, une liaison simple , N(R5), O, S, C(R5)2, C(R5)2-C(R5)2, Si(R5)2 ou B(R5) ;
    R1, R2, R3, R4 sont sélectionnés pour chaque occurrence, de manière identique ou différente, parmi le groupe qui est constitué par D, F, Cl, Br, I, CN, Si(R6)3, N(R6)2, un groupe alkyle, alcoxy ou thioalkyle en chaîne droite qui comporte de 1 à 40 atome(s) de C ou un groupe alkyle, alcoxy ou thioalkyle ramifié ou cyclique qui comporte de 3 à 40 atomes de C, dont chacun peut être substitué par un radical ou par plusieurs radicaux R6, où dans chaque cas, un ou plusieurs groupe(s) CH2 non adjacents peut/peuvent être remplacé(s) par Si(R6)2, C=NR6, P(=O)(R6), SO, SO2, NR6, O, S ou CONR6 et où un ou plusieurs atome(s) de H peut/peuvent être remplacé(s) par D, F, Cl, Br ou I, un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 60 atomes de cycle aromatique, lequel peut dans chaque cas être substitué par un radical ou par plusieurs radicaux R6, un groupe aryloxy ou hétéroaryloxy qui comporte de 5 à 60 atomes de cycle aromatique, lequel peut être substitué par un radical ou par plusieurs radicaux R6, ou un groupe aralkyle ou hétéroaralkyle qui comporte de 5 à 60 atomes de cycle aromatique, lequel peut dans chaque cas être substitué par un radical ou par plusieurs radicaux R6;
    R est sélectionné pour chaque occurrence, de manière identique ou différente, parmi le groupe qui est constitué par D, F, Cl, Br, I, CN, Si(R6)3, un groupe alkyle, alcoxy ou thioalkyle en chaîne droite qui comporte de 1 à 40 atome(s) de C ou un groupe alkyle, alcoxy ou thioalkyle ramifié ou cyclique qui comporte de 3 à 40 atomes de C, dont chacun peut être substitué par un radical ou par plusieurs radicaux R6, où dans chaque cas, un ou plusieurs groupe(s) CH2 non adjacents peut/peuvent être remplacé(s) par Si(R6)2, C=NR6, P(=O)(R6), SO, SO2, NR6, O, S ou CONR6 et où un ou plusieurs atome(s) de H peut/ peuvent être remplacé(s) par D, F, Cl, Br ou I, un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 60 atomes de cycle aromatique, lequel peut dans chaque cas être substitué par un radical ou par plusieurs radicaux R6, un groupe aryloxy ou hétéroaryloxy qui comporte de 5 à 60 atomes de cycle aromatique, lequel peut être substitué par un radical ou par plusieurs radicaux R6, ou un groupe aralkyle ou hétéroaralkyle qui comporte de 5 à 60 atomes de cycle aromatique, lequel peut dans chaque cas être substitué par un radical ou par plusieurs radicaux R6, où deux substituants R5 adjacents ou plus peuvent en option former un système de cycle mono- ou polycyclique, lequel peut être substitué par un radical ou par plusieurs radicaux R6 ;
    R5 est sélectionné pour chaque occurrence, de manière identique ou différente, parmi le groupe qui est constitué par H, D, F, Cl, Br, I, CN, Si(R6)3, N(R6)2, un groupe alkyle, alcoxy ou thioalkyle en chaîne droite qui comporte de 1 à 40 atome(s) de C ou un groupe alkyle, alcoxy ou thioalkyle ramifié ou cyclique qui comporte de 3 à 40 atomes de C, dont chacun peut être substitué par un radical ou par plusieurs radicaux R6, où dans chaque cas, un ou plusieurs groupe(s) CH2 non adjacents peut/peuvent être remplacé(s) par Si(R6)2, C=NR6, P(=O)(R6), SO, SO2, NR6, O, S ou CONR6 et où un ou plusieurs atome(s) de H peut/peuvent être remplacé(s) par D, F, Cl, Br ou I, un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 60 atomes de cycle aromatique, lequel peut dans chaque cas être substitué par un radical ou par plusieurs radicaux R6, un groupe aryloxy ou hétéroaryloxy qui comporte de 5 à 60 atomes de cycle aromatique, lequel peut être substitué par un radical ou par plusieurs radicaux R6, ou un groupe aralkyle ou hétéroaralkyle qui comporte de 5 à 60 atomes de cycle aromatique, lequel peut dans chaque cas être substitué par un radical ou par plusieurs radicaux R6, où deux substituants R5 adjacents ou plus peuvent en option former un système de cycle mono- ou polycyclique, lequel peut être substitué par un radical ou par plusieurs radicaux R6 ;
    R6 est sélectionné parmi le groupe qui est constitué par H, D, F, un radical hydrocarbone aliphatique qui comporte de 1 à 20 atome(s) de C ou un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 30 atomes de C, où un ou plusieurs atome(s) de H peut//peuvent être remplacé(s) par D ou par F ;
    m est 0, 1, 2 ou 3 ;
    n est 0, 1, 2, 3 ou 4 ;
    p, q sont, de manière identique ou différente, 0 ou 1 ;
    r, s sont, de manière identique ou différente, 0, 1, 2, 3 ou 4 ; où p + r ≤ 4 et q + s ≤ 4 ; et
    t est pour chaque occurrence, de manière identique ou différente, 0, 1, 2 ou 3.
  2. Composé selon la revendication 1, sélectionné parmi les composés des formules (2) à (9) qui suivent,
    Figure imgb0329
    Figure imgb0330
    Figure imgb0331
    Figure imgb0332
     dans lesquelles les symboles et les indices qui sont utilisés sont définis tel que selon la revendication 1.
  3. Composé selon une ou plusieurs des revendications 1 ou 2, sélectionné parmi les composés des formules (2a) à (9a) qui suivent,
    Figure imgb0333
    Figure imgb0334
    Figure imgb0335
    Figure imgb0336
     dans lesquelles les symboles et les indices qui sont utilisés sont tel que défini selon la revendication 1 ou 2.
  4. Composé selon une ou plusieurs des revendications 1 à 3, sélectionné parmi les composés des formules (2b) à (9b) qui suivent,
    Figure imgb0337
    Figure imgb0338
    Figure imgb0339
     dans lesquelles m, n, r et s sont, de manière identique ou différente, 0 ou 1 ;
    et les autres symboles qui sont utilisés sont définis tel que selon la revendication 1 ou 2.
  5. Composé selon une ou plusieurs des revendications 1 à 3, sélectionné parmi les composés des formules (2c) à (9c) qui suivent,
    Figure imgb0340
    Figure imgb0341
     dans lesquelles m, n, r et s sont, de manière identique ou différente, 0 ou 1 ;
    et les autres symboles qui sont utilisés sont définis tel que selon la revendication 1 ou 2.
  6. Composé selon une ou plusieurs des revendications qui précèdent, caractérisé en ce qu'au moins l'un des groupes Ar1 et Ar2 est sélectionné, de manière identique ou différente pour chaque occurrence, parmi phényle, fluorényle, spirobifluorényle, biphényle, terphényle, quaterphényle, carbazoyle, dibenzofuranyle et dibenzothiophényle dont chacun peut être substitué par un radical ou par plusieurs radicaux R5.
  7. Composé selon une ou plusieurs des revendications qui précèdent, caractérisé en ce qu'au moins l'un des groupes Ar1 et Ar2 est sélectionné, de manière identique ou différente pour chaque occurrence, parmi les groupes des formules (10) à (66) qui suivent,
    Figure imgb0342
    Figure imgb0343
    Figure imgb0344
    Figure imgb0345
    Figure imgb0346
    Figure imgb0347
    Figure imgb0348
    Figure imgb0349
    Figure imgb0350
    Figure imgb0351
    Figure imgb0352
    Figure imgb0353
    Figure imgb0354
    Figure imgb0355
    Figure imgb0356
    Figure imgb0357
    Figure imgb0358
    Figure imgb0359
     dans lesquelles la liaison en pointillés indique la liaison sur l'azote, et
    les groupes peuvent être substitués par un radical ou par plusieurs radicaux R5.
  8. Composé selon une ou plusieurs des revendications qui précèdent, caractérisé en ce que les groupes Ar1 et Ar2 sont sélectionnés de façon identique.
  9. Composé selon une ou plusieurs des revendications qui précèdent, caractérisé en ce que les groupes Ar1 et Ar2 sont sélectionnés de façon différente les uns des autres.
  10. Composé selon une ou plusieurs des revendications qui précèdent, caractérisé en ce que R1 à R4 sont sélectionnés, de manière identique ou différente pour chaque occurrence, parmi le groupe qui est constitué par F, CN, un groupe alkyle ou alcoxy en chaîne droite qui comporte de 1 à 10 atome(s) de C ou un groupe alkyle ou alcoxy ramifié ou cyclique qui comporte de 3 à 10 atomes de C, dont chacun peut être substitué par un radical ou par plusieurs radicaux R6, où un ou plusieurs groupe(s) CH2 non adjacents peut/peuvent être remplacé(s) par O et où un ou plusieurs atome(s) de H peut/peuvent être remplacé(s) par F, ou un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 24 atomes de cycle aromatique, lequel peut dans chaque cas être substitué par un radical ou par plusieurs radicaux R6.
  11. Composé selon une ou plusieurs des revendications qui précèdent, caractérisé en ce que le radical R5 qui est lié à Ar1 ou à Ar2 est sélectionné, de manière identique ou différente pour chaque occurrence, parmi le groupe qui est constitué par H, F, CN, N(R6)2, un groupe alkyle en chaîne droite qui comporte de 1 à 10 atome(s) de C, un groupe alkyle ramifié ou cyclique qui comporte de 3 à 10 atomes de C ou un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 24 atomes de cycle aromatique, dont chacun peut être substitué par un radical ou par plusieurs radicaux R6.
  12. Composé selon une ou plusieurs des revendications qui précèdent, caractérisé en ce que :
    Ar1, Ar2 sont, de manière identique ou différente, un groupe de l'une des formules (10) à (66) ;
    ou -NAr1Ar2 représente un groupe de l'une des formules (67) à (74) ;
    Figure imgb0360
    Figure imgb0361
    E est pour chaque occurrence, de manière identique ou différente, une liaison simple ou C(R5)2, N(R5), O ou S ;
    R1 à R4 sont sélectionnés, de manière identique ou différente pour chaque occurrence, parmi le groupe qui est constitué par H, F, CN, un groupe alkyle ou alcoxy en chaîne droite qui comporte de 1 à 10 atome(s) de C ou un groupe alkyle ou alcoxy ramifié ou cyclique qui comporte de 3 à 10 atomes de C, dont chacun peut être substitué par un radical ou par plusieurs radicaux R6, où un ou plusieurs groupe(s) CH2 non adjacents peut/peuvent être remplacé(s) par O et où un ou plusieurs atome(s) de H peut/peuvent être remplacé(s) par F, ou un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 24 atomes de cycle aromatique, lequel peut dans chaque cas être substitué par un radical ou par plusieurs radicaux R6 ;
    R est sélectionné, de manière identique ou différente pour chaque occurrence, parmi le groupe qui est constitué par F, CN, un groupe alkyle ou alcoxy en chaîne droite qui comporte de 1 à 10 atome(s) de C ou un groupe alkyle ou alcoxy ramifié ou cyclique qui comporte de 3 à 10 atomes de C, dont chacun peut être substitué par un radical ou par plusieurs radicaux R6, où un ou plusieurs groupe(s) CH2 non adjacents peut/peuvent être remplacé(s) par O et où un ou plusieurs atome(s) de H peut/peuvent être remplacé(s) par F, ou un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 24 atomes de cycle aromatique, lequel peut dans chaque cas être substitué par un radical ou par plusieurs radicaux R6 ;
    R5 est, si le radical R5 est lié à Ar1 ou à Ar2, sélectionné, de manière identique ou différente pour chaque occurrence, parmi le groupe qui est constitué par H, F, CN, N(R6)2, un groupe alkyle en chaîne droite qui comporte de 1 à 10 atome(s) de C, un groupe alkyle ramifié ou cyclique qui comporte de 3 à 10 atomes de C ou un système de cycle aromatique ou hétéroaromatique qui comporte de 5 à 24 atomes de cycle aromatique, dont chacun peut être substitué par un radical ou par plusieurs radicaux R6 ; ou R5 qui est lié au pont carbone dans les formules (20) à (23), (53), (54), (68) et (72) est, de manière identique ou différente, un groupe alkyle qui comporte de 1 à 10 atome(s) de C, ou un groupe phényle, lequel peut être substitué par un radical ou par plusieurs radicaux R6 ; ou R5 qui est lié au pont azote dans les formules (28) à (31), (40) à (43) ou (55) à (58), (63) à (66), (71) et (73) est un groupe phényle, lequel peut être substitué par un radical ou par plusieurs radicaux R6 ;
    R6 est sélectionné pour chaque occurrence, de manière identique ou différente, parmi le groupe qui est constitué par H, un groupe alkyle en chaîne droite qui comporte de 1 à 10 atome(s) de C ou un groupe alkyle ramifié ou cyclique qui comporte de 3 à 10 atomes de C ou un système de cycle aromatique qui comporte de 5 à 24 atomes de C ;
    m est 0 ou 1 ;
    n est 0 ou 1 ;
    p + q est 0 ou 1;
    r est 0 ou 1 ;
    s est 0 ou 1 ; et
    t est 0 ou 1.
  13. Oligomères, polymères ou dendrimères contenant un ou plusieurs composé(s) selon une ou plusieurs des revendications 1 à 12, où la/les liaison(s) sur les polymères, les oligomères ou les dendrimères peut/peuvent être localisée(s) au niveau de n'importe quelles positions souhaitées dans la formule (I).
  14. Formulation comprenant au moins un composé selon une ou plusieurs des revendications 1 à 12 et au moins un solvant.
  15. Procédé pour la préparation d'un composé selon une ou plusieurs des revendications 1 à 12, caractérisé en ce qu'il comprend une réaction de couplage de Suzuki C-C entre un dérivé d'ester boronique de spirobifluorène et un diaminobenzène halogéné.
  16. Utilisation d'un composé selon une ou plusieurs des revendications 1 à 12 dans un dispositif électronique.
  17. Dispositif électronique comprenant au moins un composé selon une ou plusieurs des revendications 1 à 12, sélectionné parmi le groupe qui est constitué par les dispositifs électroluminescents organiques, les circuits intégrés organiques, les transistors à effet de champ organiques, les transistors à film mince organiques, les transistors à émission de lumière organiques, les cellules solaires organiques, les cellules solaires sensibilisées par colorant organiques, les détecteurs optiques organiques, les photorécepteurs organiques, les dispositifs à extinction de champ organiques, les cellules électrochimiques à émission de lumière, les diodes laser organiques et les dispositifs à émission de plasmons organiques.
  18. Dispositif électronique selon la revendication 17, sélectionné parmi les dispositifs électroluminescents organiques, caractérisé en ce que le composé selon une ou plusieurs des revendications 1 à 12 est compris en tant que matériau de transport de trous dans une couche de transport de trous ou d'injection de trous ou de blocage d'excitons ou de blocage d'électrons, ou est compris en tant que matériau de matrice pour des émetteurs fluorescents ou phosphorescents dans une couche d'émission.
EP15787897.6A 2014-11-18 2015-10-23 Matières pour dispositifs électroluminescents organiques Active EP3221292B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14003874 2014-11-18
PCT/EP2015/002112 WO2016078738A1 (fr) 2014-11-18 2015-10-23 Matières pour dispositifs électroluminescents organiques

Publications (2)

Publication Number Publication Date
EP3221292A1 EP3221292A1 (fr) 2017-09-27
EP3221292B1 true EP3221292B1 (fr) 2019-10-02

Family

ID=51932170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15787897.6A Active EP3221292B1 (fr) 2014-11-18 2015-10-23 Matières pour dispositifs électroluminescents organiques

Country Status (7)

Country Link
US (1) US10510960B2 (fr)
EP (1) EP3221292B1 (fr)
JP (1) JP6808622B2 (fr)
KR (1) KR102051274B1 (fr)
CN (1) CN107108462B (fr)
TW (1) TWI686372B (fr)
WO (1) WO2016078738A1 (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2933852B2 (fr) † 2014-04-17 2023-09-06 Novaled GmbH Diode électroluminescente organique phosphorescente et matières de transport de trous pour diodes électroluminescentes phosphorescentes
KR102032599B1 (ko) * 2015-10-06 2019-10-15 주식회사 엘지화학 아민 화합물 및 이를 포함하는 유기 발광 소자
JP2017204492A (ja) * 2016-05-09 2017-11-16 保土谷化学工業株式会社 有機エレクトロルミネッセンス素子
KR102487147B1 (ko) * 2016-06-03 2023-01-11 메르크 파텐트 게엠베하 유기 전계발광 소자용 재료
CN106467529B (zh) * 2016-08-24 2019-06-14 江苏三月光电科技有限公司 一种以9-芴酮为核心的有机电致发光材料及其应用
TWI764942B (zh) 2016-10-10 2022-05-21 德商麥克專利有限公司 電子裝置
JP2020512273A (ja) 2016-11-02 2020-04-23 メルク パテント ゲーエムベーハー 電子デバイス用材料
WO2018088797A1 (fr) * 2016-11-09 2018-05-17 한국화학연구원 Composé de spirobifluorène et cellule solaire de pérovskite le comprenant
TW201833118A (zh) 2016-11-22 2018-09-16 德商麥克專利有限公司 用於電子裝置之材料
EP3589624A1 (fr) 2017-03-02 2020-01-08 Merck Patent GmbH Matières destinées à des dispositifs électroniques organiques
EP3615542B1 (fr) 2017-04-25 2023-08-23 Merck Patent GmbH Composés pour dispositifs électroniques
EP3642185B1 (fr) 2017-06-23 2024-04-03 Merck Patent GmbH Matériaux pour dispositifs électroluminescents organiques
KR20240059634A (ko) 2017-06-28 2024-05-07 메르크 파텐트 게엠베하 전자 디바이스용 재료
CN110914244A (zh) 2017-07-28 2020-03-24 默克专利有限公司 用于电子器件中的螺二芴衍生物
TW201923028A (zh) 2017-09-08 2019-06-16 德商麥克專利有限公司 用於電子裝置之材料
JP2021506822A (ja) 2017-12-15 2021-02-22 メルク パテント ゲーエムベーハー 有機エレクトロルミネッセントデバイスに使用するための置換芳香族アミン
US10953369B2 (en) 2018-03-08 2021-03-23 Georgia Tech Research Corporation Spirocentric compounds and polymers thereof
EP3765444A1 (fr) 2018-03-16 2021-01-20 Merck Patent GmbH Matériaux pour dispositifs électroluminescents organiques
TW202110789A (zh) 2019-05-03 2021-03-16 德商麥克專利有限公司 電子裝置
TW202110788A (zh) 2019-05-03 2021-03-16 德商麥克專利有限公司 電子裝置
CN112538022A (zh) * 2019-09-23 2021-03-23 北京大学深圳研究生院 一种新型空穴传输材料及其应用
US20230413662A1 (en) * 2020-11-03 2023-12-21 Merck Patent Gmbh Materials for electronic devices
CN115710187A (zh) * 2021-03-03 2023-02-24 江苏三月科技股份有限公司 一种芳胺类有机化合物及包含该化合物的有机电致发光器件
WO2023052275A1 (fr) 2021-09-28 2023-04-06 Merck Patent Gmbh Matériaux pour dispositifs électroniques
WO2023052313A1 (fr) 2021-09-28 2023-04-06 Merck Patent Gmbh Matériaux pour dispositifs électroniques
WO2023052314A1 (fr) 2021-09-28 2023-04-06 Merck Patent Gmbh Matériaux pour dispositifs électroniques
WO2023052272A1 (fr) 2021-09-28 2023-04-06 Merck Patent Gmbh Matériaux pour dispositifs électroniques
WO2023094412A1 (fr) 2021-11-25 2023-06-01 Merck Patent Gmbh Matériaux pour dispositifs électroniques
WO2023117837A1 (fr) 2021-12-21 2023-06-29 Merck Patent Gmbh Procédé de préparation de composés organiques deutériés
WO2023152346A1 (fr) 2022-02-14 2023-08-17 Merck Patent Gmbh Matériaux pour dispositifs électroniques
WO2023222559A1 (fr) 2022-05-18 2023-11-23 Merck Patent Gmbh Procédé de préparation de composés organiques deutérés
WO2024013004A1 (fr) 2022-07-11 2024-01-18 Merck Patent Gmbh Matériaux pour dispositifs électroniques
CN116730799B (zh) * 2023-05-26 2024-01-12 西安欧得光电材料有限公司 一种含螺芴结构的oled化合物及其制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7714145B2 (en) * 2006-05-15 2010-05-11 Ken-Tsung Wong 2-2′-disubstituted 9,9′-spirobifluorene-base triaryldiamines and their application
KR20110117549A (ko) 2010-04-21 2011-10-27 덕산하이메탈(주) 다이벤조사이오펜과 아릴아민 유도체를 가지는 화합물 및 이를 이용한 유기전기소자, 그 단말
DE102010045405A1 (de) 2010-09-15 2012-03-15 Merck Patent Gmbh Materialien für organische Elektrolumineszenzvorrichtungen
WO2012115394A2 (fr) * 2011-02-24 2012-08-30 덕산하이메탈(주) Composé, dispositif électronique organique utilisant celui-ci et dispositif électronique associé
KR101298489B1 (ko) 2011-03-02 2013-08-26 덕산하이메탈(주) 화합물 및 이를 이용한 유기전기소자, 그 전자장치
KR20130096334A (ko) 2011-06-24 2013-08-30 덕산하이메탈(주) 유기전기소자, 및 유기전기소자용 화합물
KR101605987B1 (ko) * 2012-02-14 2016-03-23 메르크 파텐트 게엠베하 유기 전계발광 소자용 스피로비플루오렌 화합물
WO2014129846A1 (fr) 2013-02-21 2014-08-28 Rohm And Haas Electronic Materials Korea Ltd. Composés électroluminescents organiques et dispositif électroluminescent organique comprenant ces composés
KR20140125576A (ko) * 2013-04-19 2014-10-29 롬엔드하스전자재료코리아유한회사 신규한 유기 전계 발광 화합물 및 이를 포함하는 유기 전계 발광 소자
KR102157998B1 (ko) * 2013-07-25 2020-09-22 롬엔드하스전자재료코리아유한회사 유기 전계 발광 화합물 및 이를 포함하는 유기 전계 발광 소자

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3221292A1 (fr) 2017-09-27
JP2017537902A (ja) 2017-12-21
US10510960B2 (en) 2019-12-17
KR20170084320A (ko) 2017-07-19
KR102051274B1 (ko) 2019-12-03
CN107108462B (zh) 2021-01-05
US20170338414A1 (en) 2017-11-23
CN107108462A (zh) 2017-08-29
TWI686372B (zh) 2020-03-01
WO2016078738A1 (fr) 2016-05-26
TW201630867A (zh) 2016-09-01
JP6808622B2 (ja) 2021-01-06

Similar Documents

Publication Publication Date Title
EP3221292B1 (fr) Matières pour dispositifs électroluminescents organiques
US11387414B2 (en) Spirobifluorene compounds for organic electroluminescent devices
JP7439031B2 (ja) 化合物および有機エレクトロルミッセンス素子
JP7412919B2 (ja) 電子素子のための材料
KR102543777B1 (ko) 유기 전계발광 소자용 재료
EP3326218B1 (fr) Matières pour dispositifs électroluminescents organiques
EP3334732A1 (fr) Dérivés de phénoxazine pour dispositifs électroluminescents organiques
KR20170077283A (ko) 2-디아릴아미노플루오렌의 유도체 및 이를 함유하는 유기 전자 화합물
JP2018507194A (ja) 電子素子のための材料
EP3538535A1 (fr) Composés pour dispositifs électroniques
EP3898604A2 (fr) Matériaux pour dispositifs électroniques
KR20190114018A (ko) 유기 전계발광 소자용 스피로비플루오렌 화합물

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20170503

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20180423

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20190429

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 1186014

Country of ref document: AT

Kind code of ref document: T

Effective date: 20191015

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602015039141

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20191002

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1186014

Country of ref document: AT

Kind code of ref document: T

Effective date: 20191002

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200203

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200102

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200103

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200224

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602015039141

Country of ref document: DE

PG2D Information on lapse in contracting state deleted

Ref country code: IS

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191031

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191023

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191031

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200202

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20191031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191031

26N No opposition filed

Effective date: 20200703

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20200102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200102

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191202

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191023

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20151023

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191002

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230518

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20230906

Year of fee payment: 9